A 46-year-old man died and “numerous” people were injured, police say.
A murder inquiry is under way after a car hit a crowd of people outside a property in Sheffield, police said.
Emergency services were called to College Close, Burngreave, shortly after 14:00 GMT following reports of violence and disorder. As the call was under way, a car hit a group of people.
A 46-year-old man died at the scene and numerous others were injured, South Yorkshire Police said.
A 23-year-old man was arrested on suspicion of murder.
Another man, aged 55, was arrested on suspicion of attempted murder. Both are in custody.
Police said the next of kin of the man who died had been informed. Another person is in a serious condition in hospital.
Senior investigating officer Det Ch Insp Andrew Knowles said: “We are now dealing with a murder investigation and understand the distress this will cause to those directly affected and the wider community.
“We have a large cordon in the area and are conducting CCTV and house-to-house enquiries.
“We’ll be patrolling throughout the night to offer reassurance and to speak to anyone who may hold information or feel concerned.”
Police are appealing for anyone in the area or who has doorbell or dashcam footage to contact them.
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